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Finding the Third Proportional to 20,174,030 and 43,286,978

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Solution

The third proportional to 20,174,030 and 43,286,978 is: 92,879,928.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174,030 : 43,286,978 = 43,286,978 : x
  2. Step 2: Convert to fraction form
    20,174,030/43,286,978 = 43,286,978/x
  3. Step 3: Cross multiply
    20,174,030x = 43,286,978 × 43,286,978
  4. Step 4: Simplify right side
    20,174,030x = 1,873,762,464,372,484
  5. Step 5: Solve for x
    x = 1,873,762,464,372,484/20,174,030
  6. Step 6: Final answer
    x = 92,879,928.52

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.